Portable audio system



FIG. 1 is a rear elevational view of a portable audio speaker showingour new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right right elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a rear perspective view thereof;

FIG. 7 is a front perspective view thereof;

FIG. 8 is a left side elevational view thereof when open;

FIG. 9 is a right side elevational view thereof when open;

FIG. 10 is a rear elevational view of FIG. 8;

FIG. 11 is a front elevational view of FIG. 8;

FIG. 12 is a bottom plan view of FIG. 8;

FIG. 13 is a top plan view of FIG. 8;

FIG. 14 is a front perspective view of FIG. 8;

FIG. 15 is a rear perspective view of FIG. 8;

FIG. 16 is a rear elevational view of FIG. 8 with a portable audiodevice;

FIG. 17 is a front elevational view of FIG. 16;

FIG. 18 is a top plan view of FIG. 16;

FIG. 19 is a rear perspective view of FIG. 16; and,

FIG. 20 is a front perspective view of FIG. 16.

The broken line showing a portable audio device on FIGS. 16-20 is forillustrative purposes only and forms no part of the claimed design.

The ornamental design for a portable audio system, as shown anddescribed.